dotfiles-nix/modules/shell/helix.nix

{
  config,
  lib,
  pkgs,
  userVars,
  ...
}:

let
  cfg = config.dotfiles.helix;
in
{
  options.dotfiles.helix = {
    enable = lib.mkEnableOption "Fully configured Helix editor";
  };

  config = lib.mkIf cfg.enable {
    home-manager.users."${userVars.username}" = {
      programs.helix = {
        enable = true;
        defaultEditor = true;

        settings = {
          theme = "ayu_dark";
          editor = {
            line-number = "relative";
            mouse = false;
            color-modes = true;
            auto-format = true;
            completion-timeout = 5;
            completion-replace = true;
            preview-completion-insert = true;
            scrolloff = 8;
            cursorline = true;
            auto-info = true;
            rulers = [ 80 ];
            bufferline = "multiple";
            shell = [
              "zsh"
              "-c"
            ];
            jump-label-alphabet = "asdfghjklqwertyuiopzxcvbnm";

            cursor-shape = {
              insert = "bar";
              normal = "block";
              select = "underline";
            };

            inline-diagnostics = {
              cursor-line = "warning";
              other-lines = "disable";
            };

            file-picker = {
              hidden = false;
              git-ignore = true;
              git-global = true;
            };

            statusline = {
              left = [
                "mode"
                "file-base-name"
                "version-control"
              ];
              center = [ ];
              right = [
                "diagnostics"
                "selections"
                "position"
                "file-encoding"
                "file-type"
              ];
              separator = "│";
            };

            lsp = {
              display-messages = true;
              display-inlay-hints = true;
            };

            indent-guides = {
              render = true;
              character = "╎";
              skip-levels = 1;
            };

            soft-wrap = {
              enable = true;
            };

            smart-tab = {
              enable = true;
              supersede-menu = true;
            };
          };
        };

        languages = {
          language = [
            {
              name = "python";
              language-servers = [
                "ty"
                "ruff"
              ];
              formatter = {
                command = "ruff";
                args = [
                  "format"
                  "-"
                ];
              };
              auto-format = true;
            }
            {
              name = "c";
              language-servers = [ "clangd" ];
              formatter = {
                command = "clang-format";
                args = [ "--style=file" ];
              };
              auto-format = true;
            }
            {
              name = "nix";
              language-servers = [ "nixd" ];
              formatter = {
                command = "nixfmt";
              };
              auto-format = true;
            }
          ];

          language-server = {
            nixd = {
              command = "nixd";
            };
            ruff = {
              command = "ruff";
            };
            ty = {
              command = "ty";
              args = [ "server" ];
            };
            clangd = {
              command = "clangd";
            };
          };
        };
      };
    };
  };
}